15 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun Jul 24 Aug Sep Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 06:51:25 06:51:30 06:56:46 06:56:49 13:43:02 14:10:46 20:41:06 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 04:43:57 04:44:04 Nov 8 2 Nov 8, 2017 2 instances 15:43:03 15:43:06 Dec 25 2 Dec 25, 2017 2 instances 06:04:01 12:18:59